The Oakland Raiders added former UCLA defensive lineman Eddie Vanderdoes, a tenacious, high-motor type, at No. 88 overall in the 2017 NFL draft. As excited coach Jack Del Rio is to add him to the roster, he also admits Vanderdoes doesn’t always have his motor running.

“His film is inconsistent, honestly,” Del Rio said on Vanderdoes in a press conference on Friday. “There’s some that’s better than others. I just talked to him a little while ago and said, ‘We’re looking for the high energy guy, the motivated guy.’”

A former five-star recruit out of Auburn, Calif., Vanderdoes was at the top of his game with the Bruins through his first two seasons (2013-14). He, however, fell out of the limelight after suffering a torn ACL in 2015 and failing to display similar dominance to his early years as a senior.

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In addition to his inconstant motor, Vanderdoes has yet to find his ideal playing weight on the gridiron, a concern Del Rio already intends to fix at the next level.

“His weight has been up and down,” Del Rio said. “We expect him to come in here and be a real professional and work hard with [head strength and conditioning coach] Joe Gomes and the strength staff and get ready to roll.”

Having already addressed the problem with Vanderdoes, Del Rio expects him to return to full strength now almost two full years removed from the injury and play at the level he knows Vanderdoes is capable of in Oakland.

“He’s a good, active defensive lineman that we think his best football is in front of him,” Del Rio said.